Finding the Fourth Proportional to 191,380.44, 287,114.34 and 58,279.56

Step by Step Solution

1. Step 1: Write the proportion equation
   191,380.44 : 287,114.34 = 58,279.56 : x
2. Step 2: Convert to fraction form
   191,380.44/287,114.34 = 58,279.56/x
3. Step 3: Cross multiply
   191,380.44x = 287,114.34 × 58,279.56
4. Step 4: Simplify right side
   191,380.44x = 16,732,897,404.89
5. Step 5: Solve for x
   x = 16,732,897,404.89/191,380.44
6. Step 6: Final answer
   x = 87,432.64